int dram_init(void)
{
	static const struct fsl_mmdc_info mparam = {
		0x05180000,	/* mdctl */
		0x00030035,	/* mdpdc */
		0x12554000,	/* mdotc */
		0xbabf7954,	/* mdcfg0 */
		0xdb328f64,	/* mdcfg1 */
		0x01ff00db,	/* mdcfg2 */
		0x00001680,	/* mdmisc */
		0x0f3c8000,	/* mdref */
		0x00002000,	/* mdrwd */
		0x00bf1023,	/* mdor */
		0x0000003f,	/* mdasp */
		0x0000022a,	/* mpodtctrl */
		0xa1390003,	/* mpzqhwctrl */
	};

	mmdc_init(&mparam);

	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
	/* This will break-before-make MMU for DDR */
	update_early_mmu_table();
#endif

	return 0;
}
Example #2
0
int dram_init(void)
{
	/*
	 * When resuming from deep sleep, the I2C channel may not be
	 * in the default channel. So, switch to the default channel
	 * before accessing DDR SPD.
	 */
	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
	fsl_initdram();
#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
	/* This will break-before-make MMU for DDR */
	update_early_mmu_table();
#endif

	return 0;
}
Example #3
0
int dram_init(void)
{
#ifdef CONFIG_TARGET_LS1012AFRWY
	int board_rev;
#endif
	struct fsl_mmdc_info mparam = {
		0x04180000,	/* mdctl */
		0x00030035,	/* mdpdc */
		0x12554000,	/* mdotc */
		0xbabf7954,	/* mdcfg0 */
		0xdb328f64,	/* mdcfg1 */
		0x01ff00db,	/* mdcfg2 */
		0x00001680,	/* mdmisc */
		0x0f3c8000,	/* mdref */
		0x00002000,	/* mdrwd */
		0x00bf1023,	/* mdor */
		0x0000003f,	/* mdasp */
		0x0000022a,	/* mpodtctrl */
		0xa1390003,	/* mpzqhwctrl */
	};

#ifdef CONFIG_TARGET_LS1012AFRWY
	board_rev = get_board_version();

	if (board_rev == BOARD_REV_C) {
		mparam.mdctl = 0x05180000;
		gd->ram_size = SYS_SDRAM_SIZE_1024;
	} else {
		gd->ram_size = SYS_SDRAM_SIZE_512;
	}
#else
	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
#endif
	mmdc_init(&mparam);

#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
	/* This will break-before-make MMU for DDR */
	update_early_mmu_table();
#endif

	return 0;
}